30305302806 has 32 divisors (see below), whose sum is σ = 62666575200. Its totient is φ = 9762771456.

The previous prime is 30305302801. The next prime is 30305302813. The reversal of 30305302806 is 60820350303.

It is a super-2 number, since 2×30305302806² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30305302801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 425011 + ... + 491166.

It is an arithmetic number, because the mean of its divisors is an integer number (1958330475).

Almost surely, 2^30305302806 is an apocalyptic number.

30305302806 is an abundant number, since it is smaller than the sum of its proper divisors (32361272394).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30305302806 is a wasteful number, since it uses less digits than its factorization.

30305302806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916368.

The product of its (nonzero) digits is 12960, while the sum is 30.

The spelling of 30305302806 in words is "thirty billion, three hundred five million, three hundred two thousand, eight hundred six".